1989 Buick LeSabre Service & Repair Manual

← 1988All LeSabre years1990 →

The service and repair manual for the 1989 Buick LeSabre — 5.0L V8 and 3.8L V6 engines, 7 trims. Matched to this exact model year, so the specifications and sequences are the ones Buick published for your car, not figures carried over from a neighbouring year.

01 / FitmentWhat this manual covers

Model year1989
Engines
5.0L V8 — OHV
3.8L V6 — 232 cu in, OHV
TrimsEstate Wagon Wagon 4-Door · Custom Coupe 2-Door · Limited Coupe 2-Door · Custom Sedan 4-Door · Limited Sedan 4-Door · Base Wagon 4-Door +1
Federal record2 recalls · 35 complaints · 0 technical service bulletins (refreshed 2026-08-21)

02 / InsideSample pages from the 1989 LeSabre manual

1989 Buick LeSabre service manual page 11989 Buick LeSabre service manual page 21989 Buick LeSabre service manual page 31989 Buick LeSabre service manual page 41989 Buick LeSabre service manual page 51989 Buick LeSabre service manual page 6

03 / ContentsSections in the manual

  • Quick Lookups 69
  • Engine Performance 1,294
  • Accessories & Equipment 277
  • General Information 1,523
  • Body & Frame 122
  • Heating, Ventilation & A/C (HVAC) 209
  • Brakes 220
  • Maintenance 46
  • Drivelines & Axles 21
  • Steering 109
  • Electrical 158
  • Suspension 118
  • Engine Mechanical 159
  • Transmission 361

04 / Known issuesRecalls on federal record for the 1989 LeSabre

  1. Fuel System, Gasoline — storage · 88V143000
    In event of an accident in which vehicle becomes invertedmissing valve could allow fuel spillage in.
  2. Structure — frame and members · 89V188000
    Increased deformation of the left rear rocker panelcan cause the left rear seat belt anchorage not t.

Owners have filed 35 complaints and Buick has issued 0 technical service bulletins for the 1989 LeSabre. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.

FAQQuestions about the 1989 LeSabre manual

Is this manual specific to the 1989 LeSabre?

Yes. It is the OEM manual matched to the 1989 model year, covering the 5.0L V8 and 3.8L V6 across the Estate Wagon Wagon 4-Door, Custom Coupe 2-Door, Limited Coupe 2-Door, Custom Sedan 4-Door, Limited Sedan 4-Door, Base Wagon 4-Door, Base Coupe 2-Door trims. Specifications and procedure sequences are the ones Buick published for this year.

What 1989 LeSabre problems does it help with?

2 recalls are on federal record for the 1989 LeSabre, covering fuel system, gasoline, structure. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Buick dealers.

Does it include 1989 LeSabre wiring diagrams?

Yes — the complete wiring diagrams for the 1989 build, alongside repair procedures, specifications and diagnostics.

Is it a subscription?

No. $29.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.

RelatedOther LeSabre years and 1989 Buick models

1995 LeSabre · 1994 LeSabre · 1993 LeSabre · 1992 LeSabre · 1991 LeSabre · 1990 LeSabre · 1988 LeSabre · 1987 LeSabre · 1986 LeSabre · 1985 LeSabre · 1984 LeSabre · 1983 LeSabre · all 24 years

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